[1,2,6,17,50,143,416,1199,3474,10049,29119,84377,244748,710199,2062274,5991418,17416401,50652248,147384676,429043390,1249508947,3640449679,10610613552,30937605076,90237313083,263288153074,768449666117,2243530461067,6552016136667]
